<!-- 首页的顶部城市切换和搜索框区域 -->
<ion-header-bar class="bar bar-light">
    <a class="button icon-right button-clear button-calm ion-ios-arrow-down hw-h5 hw-icon-h5">{{city}}</a>

    <label class="item item-input hw-title-search">
        <i class="icon ion-search placeholder-icon"></i>
        <input style="height: 22px;" type="text" placeholder="请输入类别或关键字">
    </label>

</ion-header-bar>